26 January, 2001 COPY ADJUSTMENTS: PRINTING/SCANNING
3-77
Replacement
Adjustment
3.21.2 SCANNING
Before doing the following scanner adjustments, perform or check the printing
registration/side-to-side adjustment and the blank margin adjustment.
NOTE: Use an OS-A3 test chart to perform the following adjustments.
Registration: Platen Mode
1. Place the test chart on the exposure glass and make a copy from one of the
feed stations.
2. Check the leading edge and side-to-side registration, and adjust them with the
following SP modes if necessary.
SP mode
Leading Edge SP4-010
Side-to-side SP4-011
Magnification
Use an OS-A3 test chart to perform the following adjustment.
Sub Scan Magnification
1. Place the test chart on the exposure glass and make a
copy from one of the feed stations.
2. Check the magnification ratio. Use SP4-008 (Scanner
Sub Scan Magnification) to adjust if necessary.
Specification: ±0.9%.
B
A
B004R508.WMF
A
B004R510.WMF
A: Leading Edge Registration
B: Side-to-side Registration
A: Main scan magnification
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